eRe4s3r wrote on Dec 4, 2012, 14:50: It's a rare but common enough problem, only solution? Reinstall the OS.. I am not joking on that. No driver will ever install for you these 3 items if they failed once. I had the same issue on Vista and since I upgraded to W7 it's gone. So maybe it's an OS related issue with the drivers, but all r300 drivers from nvidia did that for me.